Aspen’s EM-Series (Equipment Series) trailers are equipment/machinery hauling trailers which primarily serve the construction industry. Configurations vary from payloads of 35 tons through 55 ton capacities, with axle configurations ranging from 6 through 8 axles (including truck axles). Aspen EM-Series trailers feature mechanical removable (machinery) or hydraulic removable neck (contractor) configurations with double drop, square tails. EM-Series trailers can be configured with a variety of components including various deck widths, lengths, styles (flush, flush extendable), pin-on modules, and custom options like mini decks are easily integrated. The EM-Series trailers have common air/regulated air suspensions and can be integrated with a booster when required. Aspen’s EM-Series of trailers are available in specific regional configurations to maximize trailer configurations for specific regional regulations.